HYDRAULIC BINDER
    4.
    发明申请
    HYDRAULIC BINDER 审中-公开
    液压平台

    公开(公告)号:WO2014122182A1

    公开(公告)日:2014-08-14

    申请号:PCT/EP2014/052264

    申请日:2014-02-05

    Applicant: LAFARGE

    Abstract: The present invention relates to a hydraulic binder comprising: 25 to 60 % by mass of Portland clinker; 5 to 15 % by mass of a first mineral addition selected from: o mineral additions reacting with at least 400 mg/g of CaO according to the method at 90°C described in the NF P 18-513 Standard of December 30, 201 1, in Appendix A, and o latent hydraulic materials; a second mineral addition reacting with less than 400 mg/g of CaO according to the method described herein above; and either a third mineral addition with a base of calcium carbonate or calcium sulphate, or both; the hydraulic binder comprising at least 1 % by mass of reactive aluminium, which is to say that contributes to the development of strengths.

    Abstract translation: 本发明涉及一种水硬性粘合剂,其包含:25〜60质量%的波特兰熟料; 5〜15质量%的第一矿物添加剂,其选自:o根据在1901年12月30日的NF P 18-513标准中描述的90℃下的方法与至少400mg / g的CaO反应的矿物添加物 ,附录A和o潜在水力材料; 根据上述方法的少于400mg / g的CaO的第二矿物加成反应; 和第三矿物添加物与碳酸钙或硫酸钙的碱或二者; 所述水硬性粘合剂包含至少1质量%的活性铝,这就有助于发展强度。

    HIGH EARLY STRENGTH CEMENT AND ADDITIVES AND METHODS FOR MAKING THE SAME
    8.
    发明申请
    HIGH EARLY STRENGTH CEMENT AND ADDITIVES AND METHODS FOR MAKING THE SAME 审中-公开
    高强度水泥及其添加剂及其制备方法

    公开(公告)号:WO00076936A1

    公开(公告)日:2000-12-21

    申请号:PCT/US2000/014794

    申请日:2000-05-26

    Abstract: A method for improving early strength of cements comprising introducing into a cement, preferably during the grinding thereof, (a) at least one water reducer comprising a polyoxyalkylene polymer; (b) a sugar; and (c) an alkali or alkaline earth metal chloride. In further exemplary embodiments, the polyoxyalkylene polymer preferably comprises a comb polymer having a backbone and pendant groups. Optionally, an amine may be included with the additives. Exemplary additives and cements and cementitious compositions, preferably blended cements, and more most preferably pozzolanic cements, comprising the additives are also disclosed.

    Abstract translation: 一种用于改善水泥的早期强度的方法,包括引入水泥,优选在其研磨期间,(a)至少一种包含聚氧化烯聚合物的减水剂; (b)糖; 和(c)碱金属或碱土金属氯化物。 在另外的示例性实施方案中,聚氧化烯聚合物优选包含具有主链和侧基的梳状聚合物。 任选地,胺可以与添加剂一起包含。 还公开了包括添加剂的示例性添加剂和水泥和水泥质组合物,优选掺混的水泥,更优选火山灰水泥。

    一种石墨烯土聚水泥及其制备方法

    公开(公告)号:WO2018223709A1

    公开(公告)日:2018-12-13

    申请号:PCT/CN2018/073441

    申请日:2018-01-19

    Inventor: 张国学 卢娟

    CPC classification number: C04B28/00 C04B2201/05 C04B2201/50 Y02P40/165

    Abstract: 一种石墨烯土聚水泥,包括按质量比计的偏高岭土100份、氢氧化钠10份、水玻璃40份、水30份、填充剂0.6~1份和分散剂1~4份,所述填充剂包括PVA纤维,所述分散剂包括石墨烯。其抗压强度为31~41MPa,抗折强度为4.2~6.2MPa。该石墨烯土聚水泥以偏高岭土、氢氧化钠、水玻璃以及水作为土聚水泥的主要原料,将石墨烯分散剂、PVA纤维按照不同的量加入土聚水泥以提高其强度以及其工作性能。

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